1081332226 has 24 divisors (see below), whose sum is σ = 1855575540. Its totient is φ = 469715712.

The previous prime is 1081332221. The next prime is 1081332227. The reversal of 1081332226 is 6222331801.

It can be written as a sum of positive squares in 6 ways, for example, as 545456025 + 535876201 = 23355^2 + 23149^2 .

It is a super-2 number, since 2×1081332226² = 2338558765972230152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1081332194 and 1081332203.

It is not an unprimeable number, because it can be changed into a prime (1081332221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64441 + ... + 79468.

Almost surely, 2^1081332226 is an apocalyptic number.

1081332226 is a deficient number, since it is larger than the sum of its proper divisors (774243314).

1081332226 is a wasteful number, since it uses less digits than its factorization.

1081332226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143958 (or 143941 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1081332226 is about 32883.6163765484. The cubic root of 1081332226 is about 1026.4072602942.

The spelling of 1081332226 in words is "one billion, eighty-one million, three hundred thirty-two thousand, two hundred twenty-six".